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55342512469 is a prime number
BaseRepresentation
bin110011100010101010…
…111011100101010101
312021211220200220222001
4303202222323211111
51401320140344334
641231330035301
73666303410566
oct634252734525
9167756626861
1055342512469
112151a450812
12a886118b31
1352ac8626ca
1429700b016d
15168d906714
hexce2abb955

55342512469 has 2 divisors, whose sum is σ = 55342512470. Its totient is φ = 55342512468.

The previous prime is 55342512461. The next prime is 55342512527. The reversal of 55342512469 is 96421524355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52031891025 + 3310621444 = 228105^2 + 57538^2 .

It is a cyclic number.

It is not a de Polignac number, because 55342512469 - 23 = 55342512461 is a prime.

It is a super-3 number, since 3×553425124693 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55342512461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27671256234 + 27671256235.

It is an arithmetic number, because the mean of its divisors is an integer number (27671256235).

Almost surely, 255342512469 is an apocalyptic number.

It is an amenable number.

55342512469 is a deficient number, since it is larger than the sum of its proper divisors (1).

55342512469 is an equidigital number, since it uses as much as digits as its factorization.

55342512469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 46.

The spelling of 55342512469 in words is "fifty-five billion, three hundred forty-two million, five hundred twelve thousand, four hundred sixty-nine".